Not exactlly. The lead straight is gernerally the same as the jab but the intentions are different. Like they said before your trying to KO your opponent with it so its much slower but alot more powerful. It has body weight, shoulder and back all behind it. Just think how deadly you can be if you have KO power with your lead and cross.

First and foremost, the one inch punch is a gimmick punch. If an opponent was so close to you and you were attempting to do damage you would not punch, you would grab or takedown. Or you would attempt to gain distance by retreating and attacking at the same time. To do this, your attack will travel much further than one or three inches.

The lead straight is a highly damaging attack, especially if used in a straight blast or boxing blast.

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"When I let Go of who I am, I become who I might be." Lao Tzu

Sure. Both of these things were made popular by Jeet Kune Do. First we used the straight blast. Basically, this is rushing the opponent with alternating straights after having created or found an opening in the defenses of the opponent. At the time it seemed like a pretty good idea. The fastest way between to points after all is a straightline. However, a straight line can be predictable, and speed isnt always as important as landing a good solid shot. So the Straight Blast was Changed to the Boxing blast, replacing straight punches with hooks,straights, and crosses. By alternating the shots, and the angles, you have a better percentage chance of hitting the opponent and doing damage.

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"When I let Go of who I am, I become who I might be." Lao Tzu

I didn't know that the boxing blast included the hook but man now that I think about it I can add some devestating combinations to my arsenal. I like to set my 1 - 2, 1 - 2 blast after I slip a jab or cross. Very effective if done correctly.